<template>
    <div style="padding: 10px">
        <el-card class="box-card" shadow="hover">
            <!--新增区域-->
            <div style="margin: 10px 0" v-if="user.role===1">
                <el-button type="primary" @click="add" >新增</el-button>
                <el-button type="primary">导入</el-button>
                <el-button type="primary">导出</el-button>
            </div>

            <!--搜索区域-->
            <div style="margin: 10px 0">
                <el-input v-model="pageInfo.query" placeholder="按昵称查询" style="width: 20%" clearable></el-input>
                <el-button type="primary" style="margin-left: 5px" @click="load">查询</el-button>
            </div>

            <!--数据表格-->
            <el-table :data="tableData" stripe border style="width: 100%">
                <el-table-column prop="id" label="ID" sortable></el-table-column>
                <el-table-column prop="username" label="用户名"></el-table-column>
                <el-table-column prop="nickName" label="昵称"></el-table-column>
                <el-table-column prop="age" label="年龄"></el-table-column>
                <el-table-column prop="sex" label="性别"></el-table-column>
                <el-table-column prop="address" label="地址"></el-table-column>
                <el-table-column prop="role" label="角色">
                    <template #default="scope">
                    <span v-if="scope.row.role === 1">管理员</span>
                    <span v-if="scope.row.role === 2">普通用户</span>
                    </template>
                </el-table-column>
                <el-table-column  label="头像">
                    <template #default="scope">
                        <el-image
                        style="width: 80px;height: 80px"
                        :src="scope.row.image"
                        :preview-src-list="[scope.row.image]"
                        ></el-image>
                    </template>
                </el-table-column>
                <el-table-column label="操作" v-if="user.role===1" width="260">
                    <template #default="scope">
                        <el-button size="mini" type="success" plain @click="showBooks(scope.row)">查看图书列表</el-button>
                        <el-button size="mini" type="warning" @click="handleEdit(scope.row)" >编辑</el-button>
                        <el-popconfirm title="确认删除吗？" @confirm="handleDelete(scope.row.id)">
                            <template #reference>
                                <el-button size="mini" type="danger">删除
                                </el-button>
                            </template>
                        </el-popconfirm>
                    </template>
                </el-table-column>
            </el-table>

            <!--分页-->
            <div style="margin: 10px 0">
                <el-pagination
                        @size-change="handleSizeChange"
                        @current-change="handleCurrentChange"
                        :current-page="pageInfo.pageNum"
                        :page-sizes="[5, 10, 20]"
                        :page-size="pageInfo.pageSize"
                        layout="total, sizes, prev, pager, next, jumper"
                        :total="total">
                </el-pagination>
            </div>
        </el-card>

        <el-dialog title="用户拥有的图书列表" v-model="bookVis" width="30%">
            <el-table :data="bookList" stripe border>
                <el-table-column prop="name" label="名称"></el-table-column>
                <el-table-column prop="author" label="作者"></el-table-column>
                <el-table-column prop="price" label="价格"></el-table-column>
            </el-table>
        </el-dialog>

        <!--添加按钮的弹出框-->
        <el-dialog title="新增用户" v-model="dialogVisible" width="30%">
            <el-form :model="form" label-width="120px">
                <el-form-item label="用户名">
                    <el-input v-model="form.username" style="width: 80%"></el-input>
                </el-form-item>
                <el-form-item label="昵称">
                    <el-input v-model="form.nickName" style="width: 80%"></el-input>
                </el-form-item>
                <el-form-item label="年龄">
                    <el-input v-model="form.age" style="width: 80%"></el-input>
                </el-form-item>
                <el-form-item label="性别">
                    <el-radio v-model="form.sex" label="男">男</el-radio>
                    <el-radio v-model="form.sex" label="女">女</el-radio>
                    <el-radio v-model="form.sex" label="未知">未知</el-radio>
                </el-form-item>
                <el-form-item label="角色">
                    <el-radio v-model="form.role" label=2>普通用户</el-radio>
                    <el-radio v-model="form.role" label=1>管理员</el-radio>
                </el-form-item>
                <el-form-item label="地址">
                    <el-input type="textarea" v-model="form.address" style="width: 80%"></el-input>
                </el-form-item>
                <el-form-item label="头像">
                    <el-upload ref="upload" action="http://localhost:9090/files/upload" :on-success="filesUpload">
                        <el-button type="primary">点击上传</el-button>
                    </el-upload>
                </el-form-item>
            </el-form>
            <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="save">确 定</el-button>
        </span>
            </template>
        </el-dialog>
    </div>
</template>

<script>


    import request from "../utils/request";

    export default {
        name: 'Home',
        components: {},
        data() {
            return {
                pageInfo: {
                    query: '',
                    pageNum: 1,
                    pageSize: 5,
                },
                total: 0,
                tableData: [],
                dialogVisible: false,
                form: {},
                user:{},
                bookList:[],
                bookVis:false
            }
        },
        methods: {
            showBooks(books){
               request.get("/book/getByUserid/"+books.id).then(res=>{
                   this.bookList=res.data
                   this.bookVis=true
               })
            },
            filesUpload(result){
                this.form.image=result.data;
            },
            async load() {
                const {data: result} = await request.get("/user/list", {params: this.pageInfo})
                this.tableData = result.rows
                console.log(this.tableData)
                this.total = result.total
            },
            add() {
                this.dialogVisible = true
                this.form = {}
                this.$nextTick(()=>{
                    this.$refs['upload'].clearFiles()
                })
            },
            async save() {
                if (this.form.id) {//更新
                    const result = await request.put("/user", this.form)
                    this.dialogVisible = false
                    this.load();
                    if (result.code === '0') {
                        this.$message({
                            type: "success",
                            message: "更新成功"
                        })
                    } else {
                        this.$message({
                            type: 'error',
                            message: result.msg
                        })
                    }

                } else {//新增
                    const result = await request.post("/user", this.form)
                    this.dialogVisible = false
                    this.load();
                    if (result.code === '0') {
                        this.$message({
                            type: "success",
                            message: "新增成功"
                        })
                    } else {
                        this.$message({
                            type: 'error',
                            message: result.msg
                        })
                    }
                }
            },
            handleEdit(row) {
                this.form = JSON.parse(JSON.stringify(row))
                this.dialogVisible = true
                this.$nextTick(()=>{
                    this.$refs['upload'].clearFiles()
                })
            },
            handleDelete(id) {
                request.delete("/user/delete/" + id).then(result => {
                    if (result.code === '0') {
                        this.$message({
                            type: "success",
                            message: "删除成功！"
                        })
                    } else {
                        this.$message({
                            type: "error",
                            message: result.msg
                        })
                    }
                    this.load()
                    console.log(id)
                })


            },
            handleSizeChange(pageSize) {
                this.pageInfo.pageSize = pageSize
                this.load()
            },
            handleCurrentChange(pageNum) {
                this.pageInfo.pageNum = pageNum
                this.load()
            },
            fileUploadSuccess(result){
                console.log(result)
            },
            async checkUser(){
                const result=await request.get("/user/"+this.user.id)
                if (result==='0'){
                    this.user=result.data
                }
            }
        },
        created() {
            this.load()
            let userStr = sessionStorage.getItem("user") || "{}"
            this.user=JSON.parse(userStr)
        }
    }
</script>
